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Method for preventing stress corrosion cracking

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专利汇可以提供Method for preventing stress corrosion cracking专利检索,专利查询,专利分析的服务。并且PURPOSE: To effectively prevent stress corrosion cracking, by injecting an oxidizing substance or a reducing subtance into a liq. contacting with an objective part in accordance with information obtd. by measuring the oxidation-reduction potential at the objective part.
CONSTITUTION: The oxidizability and reducibility of austenitic stainless steel 1 such as SUS304 as an objective part in water heated to a high temp. is measured with a potential measuring device 4. When the measured value is sent to a function generator 5, the generator 5 converts the value into a signal for controlling an operation controlling section 6. In accordance with the signal, the section 6 opens or closes a control valve 7 to feed an oxidizing substance or a reducing substance in a chemical vessel 8 to the hot water in which the steel 1 is present through piping 9 and piping 2. Thus, the oxidizability or reducibility of the steel 1 is automatically controlled to prevent the stress corrosion cracking.
COPYRIGHT: (C)1983,JPO&Japio,下面是Method for preventing stress corrosion cracking专利的具体信息内容。

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